Alexandra Daddario displays her flat stomach as she strips off while filming Baywatch reboot with Zac Efron

She’s been cast as Summer Quinn in the Baywatch reboot.

And Alexandra Daddario was spotted getting into the swing of things on set in Savannah, Georgia on Tuesday alongside her handsome co-star Zac Efron.

The 30-year-old actress – best known for her role in the Percy Jackson film series – was joking around with a red float as she filmed scenes al fresco for the big screen adaptation of the 90s TV show with the High School Musical hunk

The brunette was clad in a beach babe look comprising tie dye T-shirt and a pair of bootcut jeans with rips on the knee, set off with a pair of beige gladiator sandals.